msem-instigator

Enchant player
When Curse of Nightmares enters, destroy target creature or planeswalker enchanted player controls.
Whenever enchanted player draws a card, they lose 1 life and you gain 1 life.

Enchant player
When Curse of the Unburied enters, return up to two target creature cards from your graveyard to your hand.
Whenever a land enchanted player controls enters, they lose 1 life.

When Dark Ascension enters, if you cast it, all creatures get -13/-13 until end of turn.
Whenever you cast a black spell, Dark Ascension deals X damage to any target and you gain X life, where X is the number of black mana symbols in that spell's mana cost.

Return target creature card from your graveyard to the battlefield. If this spell was cast from a graveyard, you lose life equal to that creature's mana value.
Flashback {1}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Menace, haste
Invocation — Whenever you spend four or more mana to cast a spell or activate an ability during your turn, return Deathless Butcher from your graveyard to your hand.

Menace
Whenever Diregraf Skulleater deals combat damage to a player, that player discards a card.
Whenever one or more cards leave your graveyard, put a +1/+1 counter on Diregraf Skulleater.

Doomsday Horde enters tapped unless it was foreshadowed.
When Doomsday Horde dies, search your library for a card, put it into your hand, then shuffle.
Foreshadow {3}{B}{B}{B} (You may cast this spell for its foreshadow cost. If you do, also trigger its “dies” abilities when it enters.)

Whenever another creature dies, you gain 1 life.
At the beginning of each end step, if you gained 3 or more life this turn, transform Dowager of Traublassen.

Flying
Whenever another creature dies, each opponent loses 1 life and you gain 1 life.

Exile target creature with power 3 or less. You gain 3 life.

When Dread Elk dies, put a +1/+1 counter on target creature you control. If that creature is a Zombie, put two +1/+1 counters on it instead.
Foreshadow {5}{B} (You may cast this spell for its foreshadow cost. If you do, also trigger its “dies” abilities when it enters.)

Flying, first strike
If one or more tokens would be created under your control, those tokens plus a 1/1 black and red Vampire creature token with menace are created instead.
{3}{B}{B}: Each opponent loses X life and you gain X life, where X is the number of Vampires you control.

Flying
Falkenrath Ordainer has lifelink as long as you control a token.

As an additional cost to cast this spell, pay {4} or sacrifice a creature.
Target creature gets -13/-13 until end of turn. If that creature would die this turn, exile it instead.

Flying, deathtouch
When Grim Raven of Wesgoth dies, return target non-Bird creature card from your graveyard to your hand.
Foreshadow {5}{B} (You may cast this spell for its foreshadow cost. If you do, also trigger its “dies” abilities when it enters.)

Menace (This creature can't be blocked except by two or more creatures.)
Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

When Left for Dead enters, create four 1/1 red Human Survivor creature tokens. Those tokens gain haste until end of turn.
At the beginning of your end step, sacrifice a Survivor. If you do, draw a card. Then if you control no Survivors, sacrifice Left for Dead.

When Lich's Grimoire enters, create a 2/2 black Zombie creature token.
{2}{B}, {T}: Target opponent loses 1 life. Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Menace
When Lone Zombie and at least two other creatures attack, transform Lone Zombie.

Menace

All creatures get -2/-2 until end of turn. If a creature an opponent controls would die this turn, exile it instead.

{1}{W}: Markov Fencer gains first strike until end of turn. You gain 1 life.

Reveal the top three cards of your library and put them into your hand. If this spell was cast from your graveyard, each opponent loses life equal to the total mana value of those cards. Otherwise, you lose that much life.
Flashback {4}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Lifelink
{2}{B}: Create a 1/1 black Human Warlock creature token with lifelink.
{4}{B}{B}{B}, Pay 7 life: Transform Oswin, Skirsdag Diabolist.

Flying, trample
When this creature transforms into Griselbrand, the Usurper, draw seven cards.